Home / 72,875.04-109,312.56-41,688.42

Finding the Fourth Proportional to 72,875.04, 109,312.56 and 41,688.42

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Solution

The fourth proportional to 72,875.04, 109,312.56 and 41,688.42 is: 62,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.04 : 109,312.56 = 41,688.42 : x
  2. Step 2: Convert to fraction form
    72,875.04/109,312.56 = 41,688.42/x
  3. Step 3: Cross multiply
    72,875.04x = 109,312.56 × 41,688.42
  4. Step 4: Simplify right side
    72,875.04x = 4,557,068,234.76
  5. Step 5: Solve for x
    x = 4,557,068,234.76/72,875.04
  6. Step 6: Final answer
    x = 62,532.63

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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.