Home / 92,870.35-128,162.45-52,582.97

Finding the Fourth Proportional to 92,870.35, 128,162.45 and 52,582.97

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Solution

The fourth proportional to 92,870.35, 128,162.45 and 52,582.97 is: 72,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,870.35 : 128,162.45 = 52,582.97 : x
  2. Step 2: Convert to fraction form
    92,870.35/128,162.45 = 52,582.97/x
  3. Step 3: Cross multiply
    92,870.35x = 128,162.45 × 52,582.97
  4. Step 4: Simplify right side
    92,870.35x = 6,739,162,715.34
  5. Step 5: Solve for x
    x = 6,739,162,715.34/92,870.35
  6. Step 6: Final answer
    x = 72,565.28

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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.