Home / 86,075.48-118,785.70-47,838.52

Finding the Fourth Proportional to 86,075.48, 118,785.70 and 47,838.52

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Solution

The fourth proportional to 86,075.48, 118,785.70 and 47,838.52 is: 66,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075.48 : 118,785.70 = 47,838.52 : x
  2. Step 2: Convert to fraction form
    86,075.48/118,785.70 = 47,838.52/x
  3. Step 3: Cross multiply
    86,075.48x = 118,785.70 × 47,838.52
  4. Step 4: Simplify right side
    86,075.48x = 5,682,532,085.16
  5. Step 5: Solve for x
    x = 5,682,532,085.16/86,075.48
  6. Step 6: Final answer
    x = 66,018.01

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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.