Home / 70,706.49-97,574.72-38,875.29

Finding the Fourth Proportional to 70,706.49, 97,574.72 and 38,875.29

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Solution

The fourth proportional to 70,706.49, 97,574.72 and 38,875.29 is: 53,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,706.49 : 97,574.72 = 38,875.29 : x
  2. Step 2: Convert to fraction form
    70,706.49/97,574.72 = 38,875.29/x
  3. Step 3: Cross multiply
    70,706.49x = 97,574.72 × 38,875.29
  4. Step 4: Simplify right side
    70,706.49x = 3,793,245,342.29
  5. Step 5: Solve for x
    x = 3,793,245,342.29/70,706.49
  6. Step 6: Final answer
    x = 53,647.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.