Home / 98,568.86-136,024.89-56,127.39

Finding the Fourth Proportional to 98,568.86, 136,024.89 and 56,127.39

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Solution

The fourth proportional to 98,568.86, 136,024.89 and 56,127.39 is: 77,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.86 : 136,024.89 = 56,127.39 : x
  2. Step 2: Convert to fraction form
    98,568.86/136,024.89 = 56,127.39/x
  3. Step 3: Cross multiply
    98,568.86x = 136,024.89 × 56,127.39
  4. Step 4: Simplify right side
    98,568.86x = 7,634,721,330.17
  5. Step 5: Solve for x
    x = 7,634,721,330.17/98,568.86
  6. Step 6: Final answer
    x = 77,455.72

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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.