Home / 70,172.06-96,880.35-45,666.23

Finding the Fourth Proportional to 70,172.06, 96,880.35 and 45,666.23

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Solution

The fourth proportional to 70,172.06, 96,880.35 and 45,666.23 is: 63,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.06 : 96,880.35 = 45,666.23 : x
  2. Step 2: Convert to fraction form
    70,172.06/96,880.35 = 45,666.23/x
  3. Step 3: Cross multiply
    70,172.06x = 96,880.35 × 45,666.23
  4. Step 4: Simplify right side
    70,172.06x = 4,424,159,861.18
  5. Step 5: Solve for x
    x = 4,424,159,861.18/70,172.06
  6. Step 6: Final answer
    x = 63,047.32

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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.