Home / 112,498.74-155,248.35-61,510.66

Finding the Fourth Proportional to 112,498.74, 155,248.35 and 61,510.66

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Solution

The fourth proportional to 112,498.74, 155,248.35 and 61,510.66 is: 84,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.74 : 155,248.35 = 61,510.66 : x
  2. Step 2: Convert to fraction form
    112,498.74/155,248.35 = 61,510.66/x
  3. Step 3: Cross multiply
    112,498.74x = 155,248.35 × 61,510.66
  4. Step 4: Simplify right side
    112,498.74x = 9,549,427,853.63
  5. Step 5: Solve for x
    x = 9,549,427,853.63/112,498.74
  6. Step 6: Final answer
    x = 84,884.75

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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.