Home / 93,788.32-129,436.68-56,061.76

Finding the Fourth Proportional to 93,788.32, 129,436.68 and 56,061.76

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Solution

The fourth proportional to 93,788.32, 129,436.68 and 56,061.76 is: 77,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,788.32 : 129,436.68 = 56,061.76 : x
  2. Step 2: Convert to fraction form
    93,788.32/129,436.68 = 56,061.76/x
  3. Step 3: Cross multiply
    93,788.32x = 129,436.68 × 56,061.76
  4. Step 4: Simplify right side
    93,788.32x = 7,256,448,089.36
  5. Step 5: Solve for x
    x = 7,256,448,089.36/93,788.32
  6. Step 6: Final answer
    x = 77,370.49

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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.