Home / 86,981.93-119,984.51-49,248.89

Finding the Fourth Proportional to 86,981.93, 119,984.51 and 49,248.89

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Solution

The fourth proportional to 86,981.93, 119,984.51 and 49,248.89 is: 67,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,981.93 : 119,984.51 = 49,248.89 : x
  2. Step 2: Convert to fraction form
    86,981.93/119,984.51 = 49,248.89/x
  3. Step 3: Cross multiply
    86,981.93x = 119,984.51 × 49,248.89
  4. Step 4: Simplify right side
    86,981.93x = 5,909,103,088.53
  5. Step 5: Solve for x
    x = 5,909,103,088.53/86,981.93
  6. Step 6: Final answer
    x = 67,934.84

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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.