Home / 109,988.27-151,782.59-61,590.63

Finding the Fourth Proportional to 109,988.27, 151,782.59 and 61,590.63

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Solution

The fourth proportional to 109,988.27, 151,782.59 and 61,590.63 is: 84,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,988.27 : 151,782.59 = 61,590.63 : x
  2. Step 2: Convert to fraction form
    109,988.27/151,782.59 = 61,590.63/x
  3. Step 3: Cross multiply
    109,988.27x = 151,782.59 × 61,590.63
  4. Step 4: Simplify right side
    109,988.27x = 9,348,385,341.13
  5. Step 5: Solve for x
    x = 9,348,385,341.13/109,988.27
  6. Step 6: Final answer
    x = 84,994.38

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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.