Home / 90,263.40-124,567.38-49,977.16

Finding the Fourth Proportional to 90,263.40, 124,567.38 and 49,977.16

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Solution

The fourth proportional to 90,263.40, 124,567.38 and 49,977.16 is: 68,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.40 : 124,567.38 = 49,977.16 : x
  2. Step 2: Convert to fraction form
    90,263.40/124,567.38 = 49,977.16/x
  3. Step 3: Cross multiply
    90,263.40x = 124,567.38 × 49,977.16
  4. Step 4: Simplify right side
    90,263.40x = 6,225,523,881.04
  5. Step 5: Solve for x
    x = 6,225,523,881.04/90,263.40
  6. Step 6: Final answer
    x = 68,970.63

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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.