Home / 53,312.81-79,561.18-47,626.63

Finding the Fourth Proportional to 53,312.81, 79,561.18 and 47,626.63

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Solution

The fourth proportional to 53,312.81, 79,561.18 and 47,626.63 is: 71,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.81 : 79,561.18 = 47,626.63 : x
  2. Step 2: Convert to fraction form
    53,312.81/79,561.18 = 47,626.63/x
  3. Step 3: Cross multiply
    53,312.81x = 79,561.18 × 47,626.63
  4. Step 4: Simplify right side
    53,312.81x = 3,789,230,882.22
  5. Step 5: Solve for x
    x = 3,789,230,882.22/53,312.81
  6. Step 6: Final answer
    x = 71,075.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.