Home / 88,714.16-122,420.86-48,420.10

Finding the Fourth Proportional to 88,714.16, 122,420.86 and 48,420.10

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Solution

The fourth proportional to 88,714.16, 122,420.86 and 48,420.10 is: 66,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,714.16 : 122,420.86 = 48,420.10 : x
  2. Step 2: Convert to fraction form
    88,714.16/122,420.86 = 48,420.10/x
  3. Step 3: Cross multiply
    88,714.16x = 122,420.86 × 48,420.10
  4. Step 4: Simplify right side
    88,714.16x = 5,927,630,283.29
  5. Step 5: Solve for x
    x = 5,927,630,283.29/88,714.16
  6. Step 6: Final answer
    x = 66,817.18

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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.