Home / 88,050.09-121,561.49-57,888.93

Finding the Fourth Proportional to 88,050.09, 121,561.49 and 57,888.93

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Solution

The fourth proportional to 88,050.09, 121,561.49 and 57,888.93 is: 79,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,050.09 : 121,561.49 = 57,888.93 : x
  2. Step 2: Convert to fraction form
    88,050.09/121,561.49 = 57,888.93/x
  3. Step 3: Cross multiply
    88,050.09x = 121,561.49 × 57,888.93
  4. Step 4: Simplify right side
    88,050.09x = 7,037,064,295.86
  5. Step 5: Solve for x
    x = 7,037,064,295.86/88,050.09
  6. Step 6: Final answer
    x = 79,921.15

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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.