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Finding the Fourth Proportional to 71,048.52, 105,955.25 and 70,095.13

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Solution

The fourth proportional to 71,048.52, 105,955.25 and 70,095.13 is: 104,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.52 : 105,955.25 = 70,095.13 : x
  2. Step 2: Convert to fraction form
    71,048.52/105,955.25 = 70,095.13/x
  3. Step 3: Cross multiply
    71,048.52x = 105,955.25 × 70,095.13
  4. Step 4: Simplify right side
    71,048.52x = 7,426,946,407.57
  5. Step 5: Solve for x
    x = 7,426,946,407.57/71,048.52
  6. Step 6: Final answer
    x = 104,533.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.