Home / 88,127.79-121,618.41-52,317.93

Finding the Fourth Proportional to 88,127.79, 121,618.41 and 52,317.93

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Solution

The fourth proportional to 88,127.79, 121,618.41 and 52,317.93 is: 72,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.79 : 121,618.41 = 52,317.93 : x
  2. Step 2: Convert to fraction form
    88,127.79/121,618.41 = 52,317.93/x
  3. Step 3: Cross multiply
    88,127.79x = 121,618.41 × 52,317.93
  4. Step 4: Simplify right side
    88,127.79x = 6,362,823,461.09
  5. Step 5: Solve for x
    x = 6,362,823,461.09/88,127.79
  6. Step 6: Final answer
    x = 72,199.97

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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.