Home / 99,358.86-137,118.74-56,925.59

Finding the Fourth Proportional to 99,358.86, 137,118.74 and 56,925.59

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Solution

The fourth proportional to 99,358.86, 137,118.74 and 56,925.59 is: 78,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,358.86 : 137,118.74 = 56,925.59 : x
  2. Step 2: Convert to fraction form
    99,358.86/137,118.74 = 56,925.59/x
  3. Step 3: Cross multiply
    99,358.86x = 137,118.74 × 56,925.59
  4. Step 4: Simplify right side
    99,358.86x = 7,805,564,204.33
  5. Step 5: Solve for x
    x = 7,805,564,204.33/99,358.86
  6. Step 6: Final answer
    x = 78,559.32

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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.