Home / 71,210.12-98,307.06-66,498.44

Finding the Fourth Proportional to 71,210.12, 98,307.06 and 66,498.44

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Solution

The fourth proportional to 71,210.12, 98,307.06 and 66,498.44 is: 91,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,210.12 : 98,307.06 = 66,498.44 : x
  2. Step 2: Convert to fraction form
    71,210.12/98,307.06 = 66,498.44/x
  3. Step 3: Cross multiply
    71,210.12x = 98,307.06 × 66,498.44
  4. Step 4: Simplify right side
    71,210.12x = 6,537,266,130.99
  5. Step 5: Solve for x
    x = 6,537,266,130.99/71,210.12
  6. Step 6: Final answer
    x = 91,802.49

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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.