Home / 90,075.95-124,304.80-49,240.23

Finding the Fourth Proportional to 90,075.95, 124,304.80 and 49,240.23

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Solution

The fourth proportional to 90,075.95, 124,304.80 and 49,240.23 is: 67,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075.95 : 124,304.80 = 49,240.23 : x
  2. Step 2: Convert to fraction form
    90,075.95/124,304.80 = 49,240.23/x
  3. Step 3: Cross multiply
    90,075.95x = 124,304.80 × 49,240.23
  4. Step 4: Simplify right side
    90,075.95x = 6,120,796,695.90
  5. Step 5: Solve for x
    x = 6,120,796,695.90/90,075.95
  6. Step 6: Final answer
    x = 67,951.51

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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.