Home / 77,256.06-106,558.22-70,903.14

Finding the Fourth Proportional to 77,256.06, 106,558.22 and 70,903.14

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Solution

The fourth proportional to 77,256.06, 106,558.22 and 70,903.14 is: 97,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.06 : 106,558.22 = 70,903.14 : x
  2. Step 2: Convert to fraction form
    77,256.06/106,558.22 = 70,903.14/x
  3. Step 3: Cross multiply
    77,256.06x = 106,558.22 × 70,903.14
  4. Step 4: Simplify right side
    77,256.06x = 7,555,312,390.81
  5. Step 5: Solve for x
    x = 7,555,312,390.81/77,256.06
  6. Step 6: Final answer
    x = 97,795.72

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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.