Home / 98,925.09-136,523.33-55,889.66

Finding the Fourth Proportional to 98,925.09, 136,523.33 and 55,889.66

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Solution

The fourth proportional to 98,925.09, 136,523.33 and 55,889.66 is: 77,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925.09 : 136,523.33 = 55,889.66 : x
  2. Step 2: Convert to fraction form
    98,925.09/136,523.33 = 55,889.66/x
  3. Step 3: Cross multiply
    98,925.09x = 136,523.33 × 55,889.66
  4. Step 4: Simplify right side
    98,925.09x = 7,630,242,495.77
  5. Step 5: Solve for x
    x = 7,630,242,495.77/98,925.09
  6. Step 6: Final answer
    x = 77,131.52

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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.