Home / 85,970.16-118,638.88-48,244.40

Finding the Fourth Proportional to 85,970.16, 118,638.88 and 48,244.40

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Solution

The fourth proportional to 85,970.16, 118,638.88 and 48,244.40 is: 66,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,970.16 : 118,638.88 = 48,244.40 : x
  2. Step 2: Convert to fraction form
    85,970.16/118,638.88 = 48,244.40/x
  3. Step 3: Cross multiply
    85,970.16x = 118,638.88 × 48,244.40
  4. Step 4: Simplify right side
    85,970.16x = 5,723,661,582.27
  5. Step 5: Solve for x
    x = 5,723,661,582.27/85,970.16
  6. Step 6: Final answer
    x = 66,577.31

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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.