Home / 113,820.81-157,072.95-62,833.61

Finding the Fourth Proportional to 113,820.81, 157,072.95 and 62,833.61

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Solution

The fourth proportional to 113,820.81, 157,072.95 and 62,833.61 is: 86,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.81 : 157,072.95 = 62,833.61 : x
  2. Step 2: Convert to fraction form
    113,820.81/157,072.95 = 62,833.61/x
  3. Step 3: Cross multiply
    113,820.81x = 157,072.95 × 62,833.61
  4. Step 4: Simplify right side
    113,820.81x = 9,869,459,632.04
  5. Step 5: Solve for x
    x = 9,869,459,632.04/113,820.81
  6. Step 6: Final answer
    x = 86,710.51

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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.