Home / 53,431.19-80,075.98-28,417.38

Finding the Fourth Proportional to 53,431.19, 80,075.98 and 28,417.38

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Solution

The fourth proportional to 53,431.19, 80,075.98 and 28,417.38 is: 42,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.19 : 80,075.98 = 28,417.38 : x
  2. Step 2: Convert to fraction form
    53,431.19/80,075.98 = 28,417.38/x
  3. Step 3: Cross multiply
    53,431.19x = 80,075.98 × 28,417.38
  4. Step 4: Simplify right side
    53,431.19x = 2,275,549,552.53
  5. Step 5: Solve for x
    x = 2,275,549,552.53/53,431.19
  6. Step 6: Final answer
    x = 42,588.41

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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.