Home / 85,683.03-128,607.57-41,340.93

Finding the Fourth Proportional to 85,683.03, 128,607.57 and 41,340.93

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Solution

The fourth proportional to 85,683.03, 128,607.57 and 41,340.93 is: 62,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683.03 : 128,607.57 = 41,340.93 : x
  2. Step 2: Convert to fraction form
    85,683.03/128,607.57 = 41,340.93/x
  3. Step 3: Cross multiply
    85,683.03x = 128,607.57 × 41,340.93
  4. Step 4: Simplify right side
    85,683.03x = 5,316,756,548.84
  5. Step 5: Solve for x
    x = 5,316,756,548.84/85,683.03
  6. Step 6: Final answer
    x = 62,051.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.