Home / 93,782.32-129,428.40-56,055.76

Finding the Fourth Proportional to 93,782.32, 129,428.40 and 56,055.76

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Solution

The fourth proportional to 93,782.32, 129,428.40 and 56,055.76 is: 77,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,782.32 : 129,428.40 = 56,055.76 : x
  2. Step 2: Convert to fraction form
    93,782.32/129,428.40 = 56,055.76/x
  3. Step 3: Cross multiply
    93,782.32x = 129,428.40 × 56,055.76
  4. Step 4: Simplify right side
    93,782.32x = 7,255,207,327.58
  5. Step 5: Solve for x
    x = 7,255,207,327.58/93,782.32
  6. Step 6: Final answer
    x = 77,362.21

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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.