Home / 70,929.12-97,888.08-39,104.24

Finding the Fourth Proportional to 70,929.12, 97,888.08 and 39,104.24

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Solution

The fourth proportional to 70,929.12, 97,888.08 and 39,104.24 is: 53,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.12 : 97,888.08 = 39,104.24 : x
  2. Step 2: Convert to fraction form
    70,929.12/97,888.08 = 39,104.24/x
  3. Step 3: Cross multiply
    70,929.12x = 97,888.08 × 39,104.24
  4. Step 4: Simplify right side
    70,929.12x = 3,827,838,973.46
  5. Step 5: Solve for x
    x = 3,827,838,973.46/70,929.12
  6. Step 6: Final answer
    x = 53,967.10

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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.