Home / 98,835.64-148,147.10-42,702.32

Finding the Fourth Proportional to 98,835.64, 148,147.10 and 42,702.32

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Solution

The fourth proportional to 98,835.64, 148,147.10 and 42,702.32 is: 64,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.64 : 148,147.10 = 42,702.32 : x
  2. Step 2: Convert to fraction form
    98,835.64/148,147.10 = 42,702.32/x
  3. Step 3: Cross multiply
    98,835.64x = 148,147.10 × 42,702.32
  4. Step 4: Simplify right side
    98,835.64x = 6,326,224,657.76
  5. Step 5: Solve for x
    x = 6,326,224,657.76/98,835.64
  6. Step 6: Final answer
    x = 64,007.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.