Home / 74,711.21-112,075.01-37,280.70

Finding the Fourth Proportional to 74,711.21, 112,075.01 and 37,280.70

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Solution

The fourth proportional to 74,711.21, 112,075.01 and 37,280.70 is: 55,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,711.21 : 112,075.01 = 37,280.70 : x
  2. Step 2: Convert to fraction form
    74,711.21/112,075.01 = 37,280.70/x
  3. Step 3: Cross multiply
    74,711.21x = 112,075.01 × 37,280.70
  4. Step 4: Simplify right side
    74,711.21x = 4,178,234,825.31
  5. Step 5: Solve for x
    x = 4,178,234,825.31/74,711.21
  6. Step 6: Final answer
    x = 55,925.14

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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.