Home / 113,825.96-157,071.76-62,830.50

Finding the Fourth Proportional to 113,825.96, 157,071.76 and 62,830.50

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Solution

The fourth proportional to 113,825.96, 157,071.76 and 62,830.50 is: 86,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,825.96 : 157,071.76 = 62,830.50 : x
  2. Step 2: Convert to fraction form
    113,825.96/157,071.76 = 62,830.50/x
  3. Step 3: Cross multiply
    113,825.96x = 157,071.76 × 62,830.50
  4. Step 4: Simplify right side
    113,825.96x = 9,868,897,354.11
  5. Step 5: Solve for x
    x = 9,868,897,354.11/113,825.96
  6. Step 6: Final answer
    x = 86,701.64

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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.