Home / 91,350.90-126,075.96-51,072.93

Finding the Fourth Proportional to 91,350.90, 126,075.96 and 51,072.93

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Solution

The fourth proportional to 91,350.90, 126,075.96 and 51,072.93 is: 70,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,350.90 : 126,075.96 = 51,072.93 : x
  2. Step 2: Convert to fraction form
    91,350.90/126,075.96 = 51,072.93/x
  3. Step 3: Cross multiply
    91,350.90x = 126,075.96 × 51,072.93
  4. Step 4: Simplify right side
    91,350.90x = 6,439,068,679.76
  5. Step 5: Solve for x
    x = 6,439,068,679.76/91,350.90
  6. Step 6: Final answer
    x = 70,487.19

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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.