Home / 90,877.74-136,347.18-46,492.57

Finding the Fourth Proportional to 90,877.74, 136,347.18 and 46,492.57

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Solution

The fourth proportional to 90,877.74, 136,347.18 and 46,492.57 is: 69,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,877.74 : 136,347.18 = 46,492.57 : x
  2. Step 2: Convert to fraction form
    90,877.74/136,347.18 = 46,492.57/x
  3. Step 3: Cross multiply
    90,877.74x = 136,347.18 × 46,492.57
  4. Step 4: Simplify right side
    90,877.74x = 6,339,130,810.45
  5. Step 5: Solve for x
    x = 6,339,130,810.45/90,877.74
  6. Step 6: Final answer
    x = 69,754.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.