Home / 110,085.12-151,916.80-59,783.68

Finding the Fourth Proportional to 110,085.12, 151,916.80 and 59,783.68

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Solution

The fourth proportional to 110,085.12, 151,916.80 and 59,783.68 is: 82,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,085.12 : 151,916.80 = 59,783.68 : x
  2. Step 2: Convert to fraction form
    110,085.12/151,916.80 = 59,783.68/x
  3. Step 3: Cross multiply
    110,085.12x = 151,916.80 × 59,783.68
  4. Step 4: Simplify right side
    110,085.12x = 9,082,145,357.82
  5. Step 5: Solve for x
    x = 9,082,145,357.82/110,085.12
  6. Step 6: Final answer
    x = 82,501.12

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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.