Home / 112,642.51-155,446.26-60,959.50

Finding the Fourth Proportional to 112,642.51, 155,446.26 and 60,959.50

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Solution

The fourth proportional to 112,642.51, 155,446.26 and 60,959.50 is: 84,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,642.51 : 155,446.26 = 60,959.50 : x
  2. Step 2: Convert to fraction form
    112,642.51/155,446.26 = 60,959.50/x
  3. Step 3: Cross multiply
    112,642.51x = 155,446.26 × 60,959.50
  4. Step 4: Simplify right side
    112,642.51x = 9,475,926,543.64
  5. Step 5: Solve for x
    x = 9,475,926,543.64/112,642.51
  6. Step 6: Final answer
    x = 84,123.89

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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.