Home / 88,688.30-133,032.45-39,440.30

Finding the Fourth Proportional to 88,688.30, 133,032.45 and 39,440.30

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Solution

The fourth proportional to 88,688.30, 133,032.45 and 39,440.30 is: 59,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.30 : 133,032.45 = 39,440.30 : x
  2. Step 2: Convert to fraction form
    88,688.30/133,032.45 = 39,440.30/x
  3. Step 3: Cross multiply
    88,688.30x = 133,032.45 × 39,440.30
  4. Step 4: Simplify right side
    88,688.30x = 5,246,839,737.74
  5. Step 5: Solve for x
    x = 5,246,839,737.74/88,688.30
  6. Step 6: Final answer
    x = 59,160.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.