Home / 112,848.38-155,730.78-62,547.38

Finding the Fourth Proportional to 112,848.38, 155,730.78 and 62,547.38

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Solution

The fourth proportional to 112,848.38, 155,730.78 and 62,547.38 is: 86,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.38 : 155,730.78 = 62,547.38 : x
  2. Step 2: Convert to fraction form
    112,848.38/155,730.78 = 62,547.38/x
  3. Step 3: Cross multiply
    112,848.38x = 155,730.78 × 62,547.38
  4. Step 4: Simplify right side
    112,848.38x = 9,740,551,495.70
  5. Step 5: Solve for x
    x = 9,740,551,495.70/112,848.38
  6. Step 6: Final answer
    x = 86,315.39

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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.