Home / 63,124.95-87,075.69-40,455.90

Finding the Fourth Proportional to 63,124.95, 87,075.69 and 40,455.90

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Solution

The fourth proportional to 63,124.95, 87,075.69 and 40,455.90 is: 55,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.95 : 87,075.69 = 40,455.90 : x
  2. Step 2: Convert to fraction form
    63,124.95/87,075.69 = 40,455.90/x
  3. Step 3: Cross multiply
    63,124.95x = 87,075.69 × 40,455.90
  4. Step 4: Simplify right side
    63,124.95x = 3,522,725,407.07
  5. Step 5: Solve for x
    x = 3,522,725,407.07/63,124.95
  6. Step 6: Final answer
    x = 55,805.60

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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.