Home / 98,924.09-136,521.95-55,888.66

Finding the Fourth Proportional to 98,924.09, 136,521.95 and 55,888.66

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Solution

The fourth proportional to 98,924.09, 136,521.95 and 55,888.66 is: 77,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,924.09 : 136,521.95 = 55,888.66 : x
  2. Step 2: Convert to fraction form
    98,924.09/136,521.95 = 55,888.66/x
  3. Step 3: Cross multiply
    98,924.09x = 136,521.95 × 55,888.66
  4. Step 4: Simplify right side
    98,924.09x = 7,630,028,225.34
  5. Step 5: Solve for x
    x = 7,630,028,225.34/98,924.09
  6. Step 6: Final answer
    x = 77,130.13

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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.