Home / 90,032.24-124,242.45-49,746.08

Finding the Fourth Proportional to 90,032.24, 124,242.45 and 49,746.08

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Solution

The fourth proportional to 90,032.24, 124,242.45 and 49,746.08 is: 68,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,032.24 : 124,242.45 = 49,746.08 : x
  2. Step 2: Convert to fraction form
    90,032.24/124,242.45 = 49,746.08/x
  3. Step 3: Cross multiply
    90,032.24x = 124,242.45 × 49,746.08
  4. Step 4: Simplify right side
    90,032.24x = 6,180,574,857.10
  5. Step 5: Solve for x
    x = 6,180,574,857.10/90,032.24
  6. Step 6: Final answer
    x = 68,648.46

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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.