Home / 86,153.42-118,897.17-48,430.10

Finding the Fourth Proportional to 86,153.42, 118,897.17 and 48,430.10

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Solution

The fourth proportional to 86,153.42, 118,897.17 and 48,430.10 is: 66,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153.42 : 118,897.17 = 48,430.10 : x
  2. Step 2: Convert to fraction form
    86,153.42/118,897.17 = 48,430.10/x
  3. Step 3: Cross multiply
    86,153.42x = 118,897.17 × 48,430.10
  4. Step 4: Simplify right side
    86,153.42x = 5,758,201,948.45
  5. Step 5: Solve for x
    x = 5,758,201,948.45/86,153.42
  6. Step 6: Final answer
    x = 66,836.60

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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.