Home / 70,953.13-97,915.98-39,123.16

Finding the Fourth Proportional to 70,953.13, 97,915.98 and 39,123.16

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Solution

The fourth proportional to 70,953.13, 97,915.98 and 39,123.16 is: 53,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.13 : 97,915.98 = 39,123.16 : x
  2. Step 2: Convert to fraction form
    70,953.13/97,915.98 = 39,123.16/x
  3. Step 3: Cross multiply
    70,953.13x = 97,915.98 × 39,123.16
  4. Step 4: Simplify right side
    70,953.13x = 3,830,782,552.10
  5. Step 5: Solve for x
    x = 3,830,782,552.10/70,953.13
  6. Step 6: Final answer
    x = 53,990.33

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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.