Home / 77,582.34-107,075.79-45,754.74

Finding the Fourth Proportional to 77,582.34, 107,075.79 and 45,754.74

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Solution

The fourth proportional to 77,582.34, 107,075.79 and 45,754.74 is: 63,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,582.34 : 107,075.79 = 45,754.74 : x
  2. Step 2: Convert to fraction form
    77,582.34/107,075.79 = 45,754.74/x
  3. Step 3: Cross multiply
    77,582.34x = 107,075.79 × 45,754.74
  4. Step 4: Simplify right side
    77,582.34x = 4,899,224,931.74
  5. Step 5: Solve for x
    x = 4,899,224,931.74/77,582.34
  6. Step 6: Final answer
    x = 63,148.71

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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.