Home / 77,925.95-107,543.36-43,937.61

Finding the Fourth Proportional to 77,925.95, 107,543.36 and 43,937.61

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Solution

The fourth proportional to 77,925.95, 107,543.36 and 43,937.61 is: 60,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,925.95 : 107,543.36 = 43,937.61 : x
  2. Step 2: Convert to fraction form
    77,925.95/107,543.36 = 43,937.61/x
  3. Step 3: Cross multiply
    77,925.95x = 107,543.36 × 43,937.61
  4. Step 4: Simplify right side
    77,925.95x = 4,725,197,990.08
  5. Step 5: Solve for x
    x = 4,725,197,990.08/77,925.95
  6. Step 6: Final answer
    x = 60,637.03

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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.