Home / 78,284.04-117,291.84-52,590.22

Finding the Fourth Proportional to 78,284.04, 117,291.84 and 52,590.22

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Solution

The fourth proportional to 78,284.04, 117,291.84 and 52,590.22 is: 78,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284.04 : 117,291.84 = 52,590.22 : x
  2. Step 2: Convert to fraction form
    78,284.04/117,291.84 = 52,590.22/x
  3. Step 3: Cross multiply
    78,284.04x = 117,291.84 × 52,590.22
  4. Step 4: Simplify right side
    78,284.04x = 6,168,403,669.80
  5. Step 5: Solve for x
    x = 6,168,403,669.80/78,284.04
  6. Step 6: Final answer
    x = 78,795.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.