Home / 88,266.77-121,818.35-52,456.47

Finding the Fourth Proportional to 88,266.77, 121,818.35 and 52,456.47

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Solution

The fourth proportional to 88,266.77, 121,818.35 and 52,456.47 is: 72,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,266.77 : 121,818.35 = 52,456.47 : x
  2. Step 2: Convert to fraction form
    88,266.77/121,818.35 = 52,456.47/x
  3. Step 3: Cross multiply
    88,266.77x = 121,818.35 × 52,456.47
  4. Step 4: Simplify right side
    88,266.77x = 6,390,160,001.48
  5. Step 5: Solve for x
    x = 6,390,160,001.48/88,266.77
  6. Step 6: Final answer
    x = 72,395.99

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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.