Home / 93,869.52-129,539.92-56,152.68

Finding the Fourth Proportional to 93,869.52, 129,539.92 and 56,152.68

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Solution

The fourth proportional to 93,869.52, 129,539.92 and 56,152.68 is: 77,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,869.52 : 129,539.92 = 56,152.68 : x
  2. Step 2: Convert to fraction form
    93,869.52/129,539.92 = 56,152.68/x
  3. Step 3: Cross multiply
    93,869.52x = 129,539.92 × 56,152.68
  4. Step 4: Simplify right side
    93,869.52x = 7,274,013,674.99
  5. Step 5: Solve for x
    x = 7,274,013,674.99/93,869.52
  6. Step 6: Final answer
    x = 77,490.69

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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.