Home / 98,851.48-136,424.80-56,416.36

Finding the Fourth Proportional to 98,851.48, 136,424.80 and 56,416.36

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Solution

The fourth proportional to 98,851.48, 136,424.80 and 56,416.36 is: 77,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,851.48 : 136,424.80 = 56,416.36 : x
  2. Step 2: Convert to fraction form
    98,851.48/136,424.80 = 56,416.36/x
  3. Step 3: Cross multiply
    98,851.48x = 136,424.80 × 56,416.36
  4. Step 4: Simplify right side
    98,851.48x = 7,696,590,629.73
  5. Step 5: Solve for x
    x = 7,696,590,629.73/98,851.48
  6. Step 6: Final answer
    x = 77,860.15

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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.