Home / 90,335.68-124,663.14-50,051.98

Finding the Fourth Proportional to 90,335.68, 124,663.14 and 50,051.98

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Solution

The fourth proportional to 90,335.68, 124,663.14 and 50,051.98 is: 69,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,335.68 : 124,663.14 = 50,051.98 : x
  2. Step 2: Convert to fraction form
    90,335.68/124,663.14 = 50,051.98/x
  3. Step 3: Cross multiply
    90,335.68x = 124,663.14 × 50,051.98
  4. Step 4: Simplify right side
    90,335.68x = 6,239,636,990.02
  5. Step 5: Solve for x
    x = 6,239,636,990.02/90,335.68
  6. Step 6: Final answer
    x = 69,071.68

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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.