Home / 94,913.59-130,819.02-86,869.36

Finding the Fourth Proportional to 94,913.59, 130,819.02 and 86,869.36

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Solution

The fourth proportional to 94,913.59, 130,819.02 and 86,869.36 is: 119,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,913.59 : 130,819.02 = 86,869.36 : x
  2. Step 2: Convert to fraction form
    94,913.59/130,819.02 = 86,869.36/x
  3. Step 3: Cross multiply
    94,913.59x = 130,819.02 × 86,869.36
  4. Step 4: Simplify right side
    94,913.59x = 11,364,164,543.23
  5. Step 5: Solve for x
    x = 11,364,164,543.23/94,913.59
  6. Step 6: Final answer
    x = 119,731.69

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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.