Home / 56,113.60-77,436.68-30,963.08

Finding the Fourth Proportional to 56,113.60, 77,436.68 and 30,963.08

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Solution

The fourth proportional to 56,113.60, 77,436.68 and 30,963.08 is: 42,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.60 : 77,436.68 = 30,963.08 : x
  2. Step 2: Convert to fraction form
    56,113.60/77,436.68 = 30,963.08/x
  3. Step 3: Cross multiply
    56,113.60x = 77,436.68 × 30,963.08
  4. Step 4: Simplify right side
    56,113.60x = 2,397,678,117.77
  5. Step 5: Solve for x
    x = 2,397,678,117.77/56,113.60
  6. Step 6: Final answer
    x = 42,729.00

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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.