Home / 94,347.51-130,199.31-56,621.76

Finding the Fourth Proportional to 94,347.51, 130,199.31 and 56,621.76

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Solution

The fourth proportional to 94,347.51, 130,199.31 and 56,621.76 is: 78,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,347.51 : 130,199.31 = 56,621.76 : x
  2. Step 2: Convert to fraction form
    94,347.51/130,199.31 = 56,621.76/x
  3. Step 3: Cross multiply
    94,347.51x = 130,199.31 × 56,621.76
  4. Step 4: Simplify right side
    94,347.51x = 7,372,114,082.99
  5. Step 5: Solve for x
    x = 7,372,114,082.99/94,347.51
  6. Step 6: Final answer
    x = 78,137.88

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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.