Home / 92,808.15-128,075.18-52,521.18

Finding the Fourth Proportional to 92,808.15, 128,075.18 and 52,521.18

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Solution

The fourth proportional to 92,808.15, 128,075.18 and 52,521.18 is: 72,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,808.15 : 128,075.18 = 52,521.18 : x
  2. Step 2: Convert to fraction form
    92,808.15/128,075.18 = 52,521.18/x
  3. Step 3: Cross multiply
    92,808.15x = 128,075.18 × 52,521.18
  4. Step 4: Simplify right side
    92,808.15x = 6,726,658,839.42
  5. Step 5: Solve for x
    x = 6,726,658,839.42/92,808.15
  6. Step 6: Final answer
    x = 72,479.19

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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.