Home / 71,263.26-98,341.83-39,430.26

Finding the Fourth Proportional to 71,263.26, 98,341.83 and 39,430.26

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Solution

The fourth proportional to 71,263.26, 98,341.83 and 39,430.26 is: 54,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,263.26 : 98,341.83 = 39,430.26 : x
  2. Step 2: Convert to fraction form
    71,263.26/98,341.83 = 39,430.26/x
  3. Step 3: Cross multiply
    71,263.26x = 98,341.83 × 39,430.26
  4. Step 4: Simplify right side
    71,263.26x = 3,877,643,925.78
  5. Step 5: Solve for x
    x = 3,877,643,925.78/71,263.26
  6. Step 6: Final answer
    x = 54,412.95

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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.