Home / 78,717.30-118,075.95-32,003.70

Finding the Fourth Proportional to 78,717.30, 118,075.95 and 32,003.70

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Solution

The fourth proportional to 78,717.30, 118,075.95 and 32,003.70 is: 48,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,717.30 : 118,075.95 = 32,003.70 : x
  2. Step 2: Convert to fraction form
    78,717.30/118,075.95 = 32,003.70/x
  3. Step 3: Cross multiply
    78,717.30x = 118,075.95 × 32,003.70
  4. Step 4: Simplify right side
    78,717.30x = 3,778,867,281.02
  5. Step 5: Solve for x
    x = 3,778,867,281.02/78,717.30
  6. Step 6: Final answer
    x = 48,005.55

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1.5x scale

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.